Cisco CISCO876-K9 Configuration Guide - Page 44
Configuration Example
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Configuration Example Chapter 3 Configuring PPP over Ethernet with NAT For complete information on the NAT commands, see the Cisco IOS Release 12.3 documentation set. For more general information on NAT concepts, see Appendix B, "Concepts." Configuration Example The following configuration example shows a portion of the configuration file for the PPPoE scenario described in this chapter. The VLAN interface has an IP address of 192.168.1.1 with a subnet mask of 255.255.255.0. NAT is configured for inside and outside Note Commands marked by "(default)" are generated automatically when you run the show running-config command. vpdn enable vpdn-group 1 request-dialin protocol pppoe ! interface vlan 1 ip address 192.168.1.1 255.255.255.0 no ip directed-broadcast (default) ip nat inside interface FastEthernet 4 no ip address no ip directed-broadcast (default) ip nat outside pppoe enable group global pppoe-client dial-pool-number 1 no sh ! interface dialer 1 ip address negotiated ip mtu 1492 encapsulation ppp ppp authentication chap dialer pool 1 dialer-group 1 ! dialer-list 1 protocol ip permit ip nat inside source list 1 interface dialer 0 overload ip classless (default) ip route 10.10.25.2 255.255.255.255 dialer 0 ip nat pool pool1 192.168.1.0 192.168.2.0 netmask 255.255.252.0 ip nat inside source list acl1 pool pool1 ! Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 3-8 OL-5332-01